Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham chat cho snippets" » "pham chat cho snippets", "dam chat cho snippets", "lam chat cho snippets", "ham chat co snippets", "ham chat thom snippets", "ham cap cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ham chat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham chat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham chat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham chat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.